PhysicsQuantum computer could solve prime number mystery A quantum algorithm has been devised that could help work out how prime numbers are distributed, a problem worth $1 million in prize money 51¶¯Âþ
PhysicsEarth's mantle helps hunt for fifth force of nature A new long-range force – mediated by curious "unparticles" – could be detected by letting electrons in the mantle affect particles at ground level 51¶¯Âþ